/Engine/Source/Editor/SequencerCore/Public/MVVM/Views/KeyRenderer.h
bool IsKeySelected ( const [TViewModelPtr](API\Editor\SequencerCore\TViewModelPtr)< [IKeyExtension](API\Editor\SequencerCore\MVVM\Extensions\IKeyExtension) > &, [FKeyHandle](API\Runtime\Engine\Curves\FKeyHandle) ) const